? The Tianjin meter copper took over price 
 ? ☆ Tianjin meter copper took over the price the № Tianjin meter copper price to take over offer № Tianjin meter copper to take over the price the price ★ 
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 ? R & D and production company in Tianjin meter copper to take over the price, based on RF card as media, entered into all kinds of information in the form of an induction the Tianjin meter copper to take over the price control the CPU, the Tianjin meter copper took over the price purchased by user water automatically open the valve the water supply, when the remaining amount of water to less than 5m3 (including 5m3) but have not yet exhausted every integer (for example, the remaining water to 4m3, 3m3, 2m3, 1m3) the Tianjin meter copper to take over the price will automatically within the electric valve is closed, into Tianjin meter copper Users only need to purchase water with the take over price card write "sensing zone" to sense what the the Tianjin meter copper take over the price of electric valve to re-open (ie, Tianjin meter copper to take over the remaining water in the price of less than 5m3 to exhaustion during this time, take over the price of Tianjin meter copper alert the user to purchase water) five times without water. If taken over to the Tianjin meter copper price of the remaining water exhausted, users do not share to take over the price of water and write Tianjin meter copper, the motorized valve will close until the user to purchase water and write Tianjin meter copper to take over price inside so far. In order to achieve the first to buy the water, the purpose of water ". 
 ? M after Tianjin meter copper takeover price exhausted in the remaining water and electric valve is closed, for some reason (such as electric valve internal leakage) currents taken over by the Tianjin meter copper prices, the the Tianjin meter copper takeover prices will continue to measured, their number is counted as a negative value, when the users to purchase water and write the price of Tianjin meter copper takeover, Tianjin meter copper took over the price will first deduct the negative values ??(ie, the first also super water), if the new write amount of water is not enough deductible super negative values ??of the water, Tianjin meter copper to take over the price of electric valve does not open and continue to be closed until the Tianjin meter copper took over the price 
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 ? Within the remaining water is positive so far. When the Company suffered such as magnetic and other external attacks, within one minute inside the electric valve shut down. At this point, the user can be induced to purchase water card to (sensing area), you can own the electric valve to open and take over the price of Tianjin meter copper work properly. However, if such an attack accumulated more than 10 times more users to purchase water card will no longer be able to open its electric valve (in case the user man-made attack), high a check card (water management The department only holds) to the electric valve is opened, the same time attack record clear (after the user configuration of the water cards but also because of the attack and then open the 10th). Enabling it to achieve self-lifting ability to take over the price of Tianjin meter copper attack, but also to limit the behavior so that it can not be infinite man-made attack on take over the price of Tianjin meter copper. Produced by our company to take over than any other the Tianjin meter copper price each donated more two of the company's trademark and warnings tamper shrink film, installation, will take over on its pre-set into the Tianjin water meter copper to take over the price installed and leak testing and qualified, it will tamper shrink film in Tianjin meter copper takeover price to take over the nut, then use the hair dryer (1600w high heat hair dryer) at the tamper shrink film at blowing or Pour hot water above 90 ℃ alignment tamper shrink film, shrink film, shrink to take over the shape of the nut to tight coupling. To split the table must be tamper destruction of heat shrinkable film, thus preventing the artificially split the table for the purpose of stealing water. In addition to the above characteristics, the product, the following characteristics: (a) non-contact (RF card) information carrier, no mechanical wear, fast transmission of information, confidentiality and anti-attack performance, high reliability; (b) with LCD display the total quantities of water purchased, and the remaining water and all kinds of information; when the remaining water is zero or alarm value, automatically close the valve without water; d the entire system is usually in the off state, static power consumption is zero; (e) electric control valve patented electric valve to completely overcome the electromagnetic valve interference and shutdown lax defects; f unique anti-theft of water, tamper table, anti-reversal device; g metering display by mechanical and LCD Dual Display does not affect the Tianjin meter copper to take over the verification and validation of price accuracy; h. overall closed-shell design, anti-attack, waterproof, moisture, fumes, anti-knocking; i the sale of water to read and write card machine can separate use, but also with computer networking. The company produces technical parameters are as follows: Working power supply: two 3.6V lithium battery, the working life of 8-10 years; (b) usually work current: 0A; c instantaneous operating current :1-5MA; d. RF card Life time:> 100 000; (e) Working pressure: 1MPa below normal work; (f) the operating temperature range (temperature) :0.3-40 ° C; g. the whole life of 8-10 years. This product complies with the GB GB/T778-1996 cold water Tianjin meter copper took over the price "and line marked CJ/T133-2006 Tianjin meter copper to take over the price of" standard. A, Hui Yi brand the Tianjin meter copper to take over the price About Tianjin meter copper to take over the price in recent years, prices for ordinary the Tianjin meter copper took over the small flow (less than 8L / H) measured defects developed. Prices as a result of the ordinary the Tianjin meter copper took over the movement of the rotating parts and count the gear inertia, so in the measurement process, if the water flow is small to a certain degree will not be able to promote the movement of the impeller and counter gear, to the small flow can not be measurement, people can be less than the starting flow of this drip to Tianjin meter copper to take over the price not measured to obtain the water of the water pipe-line, so that the water supply enterprises suffered losses. To solve this problem, Tianjin Hui Yi has developed a pressure differential integral anti-drip Tianjin meter copper to take over the price, it simply is not changed to drop out of the water in drip Tianjin meter copper take over the price movement in advance, before the accumulation of up When save a certain amount of a sudden promote the Tianjin meter copper take over the price of impeller rotation to achieve the purpose of drip measurement 
 ? Second, the product uses and characteristics: this series took over Tianjin meter copper price for the total amount of the high sensitivity of flows through a water pipe drinking water, its main features are as follows: 1, the smaller the initial flow rate, the initial flow rate of less than 0.5L / h; more than 16 times the ordinary the Tianjin meter copper to take over the price; 2, adaptability to water quality: due to the drainage channel between the anti-drip institutions and outlet distance of 4mm, so the particles below 4mm, so that the anti- drip institutions will not be blocked or stuck in the impurities in the water; 3, anti-slip performance: general movement velocity, not idling, soft diaphragm can offset part of the water hammer pressure, coupled with anti-drip closure of institutions, so the anti-submarine dynamic performance far better than the price of jet and C-level anti-drip Tianjin meter copper receiver; 4, in the 0.5L / h to 14L / h under the micro-flow state for the intermittent measurement (like displacement Tianjin meter the same price of copper took over), and micro-flow range measurement error is small; 5, convened by the Ministry of Construction and the China Water Association, China's authoritative experts on the products and technologies to identify its technology has reached the leading domestic level. Can guarantee the normal work for more than 10 years of anti-drip institutions. Conditions of use: the work of the water temperature does not exceed 40 ℃, working pressure is not greater than 1Mpa. Four, show error: less than the minimum flow (Qmin) of the trace does not count; from including minimum flow (Qmin) to but excluding the boundaries of flow (Qt) of low district: ± 5%; from including the boundaries of flow (the Qt) to include overload In the upper zone of the flow (Qmax): ± 2%. Pressure loss: △ ≤ 0.1Mpa 
 ? Tianjin the Huiyi Tianjin meter copper took over all the members of the price Co., Ltd. sincerely welcome you to Tianjin the Huiyi Tianjin meter copper to take over the price of factory guidance visits! 
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